That sounds interesting, Gary.

Ron Miller

> On Apr 27, 2014, at 6:03 PM, Gary Lee <[log in to unmask]> wrote:
> 
> I have something made by g4tph of similar construction to the alpha loop =
> I think.
> 
> I was not too impressed.  I think the bolted together sections create =
> extra resistance in the loop.
> 
> I will send you a pdf article on mag loops.  resistances of tenths of =
> ohms is to be avoided.
> 
> it may take me a couple of days to run it down.
> 
> Gary Lee
> [log in to unmask]
> 
> 
> 
> On Apr 27, 2014, at 2:54 PM, Ron Miller <[log in to unmask]> =
> wrote:
> 
>> Woo hoo, Gary. You've topped all of the qrp posts I've submitted to =
> this
>> list with just one post! I've got to try that, when I get a loop.
>> =20
>> The other loop manufacturer I'm checking into is Alpha Delta. I don't =
> know
>> much about them yet, but they are an American company and their loop =
> sells
>> for about a third of Alex's, loop, without a tripod included.
>> =20
>> =20
>> =20
>> Ron Miller
>> =20
>> -----Original Message-----
>> From: For blind ham radio operators =
> [mailto:[log in to unmask]]
>> On Behalf Of Gary Lee
>> Sent: Sunday, April 27, 2014 12:47 PM
>> To: [log in to unmask]
>> Subject: Re: Alex Loop
>> =20
>> For Eric:
>> =20
>> wicj mfj box are you speaking of?
>> =20
>> for the rest of the list,
>> I have an alexloop and for portable work it is nice.  very efficient, =
> =3D but
>> like all magnetic loops, very narrow band.  It must be retuned about =3D=
> every
>> 5 kc.  To tune, turn off AGC and tune for max noise.  That will =3D =
> get you
>> close enough.
>> For more general info, go to the alexloop web site.  He has many =3D =
> articles
>> on magnetic loop construction.
>> =20
>> I have checked into the blind hams 20 meter net using the alex loop =
> from =3D
>> inside my living room running ten watts with my elecraft kx3.
>> =20
>> Gary Lee
>> [log in to unmask]
>> =20
>> =20
>> =20
>>> On Apr 27, 2014, at 12:23 PM, Eric Clegg <[log in to unmask]> wrote:
>>> =20
>>> There are two Alex loops available.
>>> =3D20
>>> One for $129 that is made of copper tubing and the ends of the tubing=20=
> 
>>> =3D
>> have
>>> to be soldered onto the loops tuing box.
>>> =3D20
>>> The other one is priced at over $300 with shipping from Brazil.
>>> =3D20
>>> It is made of coax and comes with a travel bag.
>>> =3D20
>>> I currently own both of them and yes they can be tuned by ear.
>>> =3D20
>>> I also plan to try and use the MFJ tuing box to put between the rig =3D=
> 
>> and the
>>> loop to see how easy it is to find a null.
>>> =3D20
>>> This box is made to use to tune a manual antenna tuner.
>>> =3D20
>>> There are two other loops available.
>>> =3D20
>>> One from a place called the Radio S
>>> tore in Missouri. It also sells for $300 and comes with a bag and =3D
>> tripod.
>>> =3D20
>>> The other loop which is very portalbe comes from Martin Lynch and =
> Sons=20
>>> =3D
>> in
>>> England.
>>> =3D20
>>> It is priced at around $38.
>>> =3D20
>>> It can be hooked directly to the back of a Yaesu FT817ND or some =
> other=20
>>> =3D
>> qrp
>>> rig.
>>> =3D20
>>> The loop from missouri has gotten great reviews on eham.
>>> =3D20
>>> Hoe this helps,
>>> =3D20
>>> Eric Clegg
>>> KU3I